body h1 {
  color: #f90;
  font-size: 20px;
  background: red;
  width: 100px;
  height: 100px;
}

p {
  color: aqua;
  font-size: 20px;
  background: red;
  width: 100px;
  height: 100px;
}

p:hover {
  font-size: 33px;
}

span {
  color: #f90;
}
